As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ENGINE NUMBER 2 OIL PRESSURE SPIKED AT 165 THEN RETURNED TO NORMAL THEN DROPPED TO 6 PSI THEN WENT BACK TO NORMAL. ALL OTHER ENGINE INDICATIONS STAYED NORMAL. CORRECTIVE ACTION: REMOVED AND REPLACED OIL PRESSURE SWITCH. (TC# 20190528001)